Cita APA (7th ed.)

Mullan, H., & Rosenbaum, M. (1962). Group psychotherapy: Theory and practice. Macmillan.

Cita Chicago (17th ed.)

Mullan, Hugh, i Max Rosenbaum. Group Psychotherapy: Theory and Practice. New York: Macmillan, 1962.

Cita MLA (9th ed.)

Mullan, Hugh, i Max Rosenbaum. Group Psychotherapy: Theory and Practice. Macmillan, 1962.